1 files changed, 12 insertions, 0 deletions
diff --git a/lib/utils/promise.js b/lib/utils/promise.js
index 82f4a60..adcc1c3 100644
--- a/lib/utils/promise.js
+++ b/lib/utils/promise.js
@@ -32,7 +32,19 @@ function some(arr, iter) {
     }, Q());
 }
 
+// Map an array using an async (promised) iterator
+function map(arr, iter) {
+    return reduce(arr, function(prev, entry, i) {
+        return Q(iter(entry, i))
+        .then(function(out) {
+            prev.push(out);
+            return prev;
+        });
+    }, []);
+}
+
 module.exports = Q;
 module.exports.reduce = reduce;
+module.exports.map = map;
 module.exports.serie = serie;
 module.exports.some = some;